| deep down | He'll never show it, but I think that deep down, he's seriously worried. |
| deep down | She looks indifferent but deep down she's very pleased. |
| 内心忸怩;内心じくじ | [ないしんじくじ, naishinjikuji] (adj-t, adv-to) ashamed deep down in one's heart; blushing with shame when one remembers something [Add to Longdo] |